Results 11 to 20 of about 168,343 (247)

The Sequent Calculus Trainer with Automated Reasoning - Helping Students to Find Proofs [PDF]

open access: yesThEdu@CADE, 2018
The sequent calculus is a formalism for proving validity of statements formulated in First-Order Logic. It is routinely used in computer science modules on mathematical logic.
Arno Ehle, Norbert Hundeshagen, M. Lange
semanticscholar   +1 more source

Sequent calculus for hybrid logic

open access: yesLietuvos matematikos rinkinys, 2023
There is not ...
Norgėla, Stanislovas Leonas   +1 more
openaire   +3 more sources

A sequent calculus with dependent types for classical arithmetic [PDF]

open access: yesLogic in Computer Science, 2018
In a recent paper [11], Herbelin developed dPAω, a calculus in which constructive proofs for the axioms of countable and dependent choices could be derived via the encoding of a proof of countable universal quantification as a stream of it components ...
Étienne Miquey
semanticscholar   +1 more source

A Sequent Calculus for a Semi-Associative Law [PDF]

open access: yesInternational Conference on Formal Structures for Computation and Deduction, 2017
We introduce a sequent calculus with a simple restriction of Lambek's product rules that precisely captures the classical Tamari order, i.e., the partial order on fully-bracketed words (equivalently, binary trees) induced by a semi-associative law ...
N. Zeilberger
semanticscholar   +1 more source

A Cut-Free Sequent Calculus for Defeasible Erotetic Inferences [PDF]

open access: yesStudia Logica: An International Journal for Symbolic Logic, 2018
In recent years, the effort to formalize erotetic inferences—i.e., inferences to and from questions—has become a central concern for those working in erotetic logic. However, few have sought to formulate a proof theory for these inferences.
Jared Millson
semanticscholar   +1 more source

Integrating a Global Induction Mechanism into a Sequent Calculus [PDF]

open access: yesInternational Conference on Theorem Proving with Analytic Tableaux and Related Methods, 2017
Most interesting proofs in mathematics contain an inductive argument which requires an extension of the LK-calculus to formalize. The most commonly used calculi contain a separate rule or axiom which reduces the important proof theoretic properties of ...
David M. Cerna, Michael Peter Lettmann
semanticscholar   +1 more source

The Sequent Calculus of Skew Monoidal Categories

open access: yesMathematical Foundations of Programming Semantics, 2018
Szlachanyi's skew monoidal categories are a well-motivated variation of monoidal categories in which the unitors and associator are not required to be natural isomorphisms, but merely natural transformations in a particular direction.
T. Uustalu   +2 more
semanticscholar   +1 more source

A Classical Sequent Calculus with Dependent Types

open access: yesEuropean Symposium on Programming, 2017
Dependent types are a key feature of the proof assistants based on the Curry-Howard isomorphism. It is well known that this correspondence can be extended to classical logic by enriching the language of proofs with control operators.
Étienne Miquey
semanticscholar   +1 more source

Verifying a Sequent Calculus Prover for First-Order Logic with Functions in Isabelle/HOL

open access: yesJournal of automated reasoning
We describe the design, implementation and verification of an automated theorem prover for first-order logic with functions. The proof search procedure is based on sequent calculus and we formally verify its soundness and completeness in Isabelle/HOL ...
Asta Halkjær From   +1 more
semanticscholar   +1 more source

Imaging of High‐Risk Neuroblastoma: Recommendations From SIOPEN Radiology and Nuclear Medicine Specialty Committees

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Neuroblastoma is the most common extracranial solid tumor in early childhood. Its clinical behavior is highly variable, ranging from spontaneous regression to fatal outcome despite intensive treatment. The International Society of Pediatric Oncology Europe Neuroblastoma Group (SIOPEN) Radiology and Nuclear Medicine Specialty Committees ...
Annemieke Littooij   +11 more
wiley   +1 more source

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